31 New Species Found in 2 Weeks Off Brazil’s Coast

31 New Species Found in 2 Weeks Off Brazil’s Coast

By
Casey Lee

Publish Date:June 26, 2026

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📰 The quick summary: A two-week marine expedition in international waters off Brazil discovered 31 new species in what may be a record pace, opening a new window into the ocean’s least explored habitat.
📈 One key stat: 31 new species were identified in just two weeks, a pace that researchers believe may set a record for the fastest discovery of new animals in such a short time.
💬 One key quote: “What humanity has found so far is just the tip of the iceberg. There is an immense amount of life out there solving life’s challenges in unusual ways,” said Dr. Karen Osborn of the Smithsonian National Museum of Natural History.

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1️⃣ The big picture: A marine expedition operating in international waters off the coast of Brazil has [uncovered 31 new species in just two weeks](https://www.theguardian.com/environment/2026/jun/26/marine-expedition-uncovers-31-new-species-two-weeks-brazil), a pace that researchers say may be a record. Two dozen international experts from the US, Australia, Brazil, and Japan carried out the survey aboard the research vessel Falkor (too), operated by the Schmidt Ocean Institute. Their focus was the ocean midwater, the zone between the seafloor and the sunlit surface layer, which makes up 90% of the living space on Earth yet remains one of the least explored environments on the planet. Among the newly discovered creatures were jellyfish, siphonophores, comb jellies, and single-celled organisms large enough to see with the naked eye. Cutting-edge technology, including a spinning wheel confocal microscope nicknamed the Squid, allowed scientists to observe living cellular structures in 3D for the first time directly aboard a ship.

2️⃣ Why is this good news: Finding 31 new species in just two weeks shows that Earth’s oceans still hold vast, largely undiscovered biodiversity, offering hope that life in the deep is far richer than current records suggest. New technologies like the Squid microscope are dramatically accelerating the pace at which scientists can identify and study marine life, meaning future expeditions have the potential to uncover even more. Better knowledge of midwater creatures, many of which migrate vertically every night, directly improves our understanding of how oceans absorb and store carbon, which matters enormously for climate science. Each newly documented species also expands the baseline of knowledge scientists need to protect marine ecosystems, making the case for stronger ocean conservation policies. Discoveries like these remind us that investing in ocean exploration pays off not just scientifically, but in practical ways that benefit the entire planet.

3️⃣ What’s next: Researchers will work to formally describe and name each of the 31 newly discovered species, a process that typically takes months to years. Future expeditions to similarly unexplored midwater regions around the world could build on the technologies tested during this survey. Scientists are also calling for greater international collaboration and more frequent deep-sea exploration missions to close the enormous gaps in our knowledge of ocean life.

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Read the full story here: The Guardian – ‘Chock full of incredible animals’: marine expedition uncovers 31 new species in two weeks

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